Buckinghamshire County Museum is just discussing this with its
designers, Bremner and Orr. They will be reproducing a viewer for
us. If a UK source would be of interest, please let me know.
--
Patricia Reynolds
Keeper of Social History, Buckinghamshire County Museum / Freelance Curator
16 Gibsons Green
Heelands
Milton Keynes
MK13 7NH
ENGLAND
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